All the action on day seven at Flushing MeadowsNaomi Osaka ends Coco Gauff’s US Open fairytaleEmail alex.hess@theguardian.com or tweet @A_Hess 4.44pm BST And she starts the second set in similar fashion, lashing an unreturnable backhand over the net to take the first point of Barty’s service game. 4.41pm BST

First set Wang, 6-2. Another painful mistake from Barty, who sends a simple return badly long for set point. Wang takes the set with a crisp forehand. She’s playing magnificently.